Ubique Systems

TRCI-26-04731

Senior.NET Backend Developer (Azure, X.509 Certificates, Windows Services)

Senior.NET Backend Developer needed on contract in Denmark (Bjerringbro; initial onsite then remote possible) to build, maintain and support a secure certificate provisioning solution for device onboarding and certificate lifecycle management. The work is hands-on C#/.NET 8/10 with ASP.NET Core APIs and Windows Services, integrating Azure Blob Storage, Key Vault and Application Insights, plus production troubleshooting and CI/CD automation in Azure DevOps with a strong focus on security, reliability and integrations.

Position summary

Location
Denmark
Workplace
On-site
Employment
Contract
Experience
Minimum 5 years and Maximum 10 years
Apply now

Role overview

Why This Role Matters.

Senior.NET Backend Developer needed on contract in Denmark (Bjerringbro; initial onsite then remote possible) to build, maintain and support a secure certificate provisioning solution for device onboarding and certificate lifecycle management. The work is hands-on C#/.NET 8/10 with ASP.NET Core APIs and Windows Services, integrating Azure Blob Storage, Key Vault and Application Insights, plus production troubleshooting and CI/CD automation in Azure DevOps with a strong focus on security, reliability and integrations.

Your Impact

Deliver Enterprise Value

Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.

Collaboration

Work Across Teams

Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.

Growth

Learn Continuously

Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.

Career Path

Grow With Ubique

Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.

Responsibilities

What You'll Be Doing.

Every role at Ubique contributes directly to solving meaningful business challenges for our clients.

01

We are looking for a Senior.NET Backend Developer for our Client in the manufacturing industry

02

Develop and maintain.NET 8/10 backend services, Windows Services, and ASP.NET Core APIs.

03

Support X.509/other certificate generation, validation, storage, and lifecycle management.

04

Maintain integrations with Azure Blob Storage, Key Vault, and Application Insights.

05

Troubleshoot production issues across application, infrastructure, and certificate-related workflows.

06

Maintain CI/CD pipelines, deployment automation, and release processes using Azure DevOps.

07

Contribute to testing, code reviews, and engineering best practices.

08

Participation in clarification of requirements and coordination with stakeholders.

09

Strong experience with C#,.NET 8/10, ASP.NET Core, and Windows Services.

10

Experience with Azure Blob Storage, Key Vault, Application Insights, and Azure DevOps.

11

Knowledge of X.509/other certificates, and certificate lifecycle management.

12

Strong understanding of async programming, dependency injection, file handling, and troubleshooting.

Technology stack

Tools & Technologies.

The platforms and technologies you'll use to build modern, enterprise-grade solutions.

01

C#

02

Dotnet

03

.NET 8

04

.NET 10

05

ASP.NET Core

06

Web API

07

Windows Service

08

Azure

09

Azure Blob Storage

10

Azure Key Vault

11

Azure Application Insights

12

Azure DevOps

13

CI/CD

14

Git

15

PowerShell

16

Windows Server

17

X.509

18

PKI

19

Certificates

20

OpenSSL

Requirements

Skills & Experience.

We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.

Essential

Required Qualifications

C#

Backend development with.NET 8/10

ASP.NET Core Web APIs

Windows Services

Azure Blob Storage

Azure Key Vault

Azure Application Insights

Azure DevOps

X.509 certificates (generation/validation/storage)

Certificate lifecycle management

Async programming in.NET (async/await, Tasks)

Dependency Injection in.NET

File handling in.NET

Troubleshooting production issues (application/infrastructure/certificate workflows)

Git

PowerShell

CI/CD pipelines

Windows Server environments

Preferred

Nice to Have

5+ years.NET backend development

OpenSSL

Certificate automation

Secure credential management

Production monitoring and observability

Enterprise integrations

Code reviews

Backend engineering best practices

What you'll gain

More Than Just A Job.

We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.

Global Exposure

Collaborate with international clients and multicultural teams on enterprise programmes.

Continuous Learning

Expand your expertise through mentoring, certifications and hands-on project experience.

Career Growth

Take ownership, develop leadership skills and grow your consulting career over time.

Flexible Working

Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.

People First

Join a supportive culture where collaboration, respect and long-term relationships come first.

Enterprise Projects

Work on meaningful technology initiatives for leading organisations across industries.

Apply

Apply for Senior.NET Backend Developer (Azure, X.509 Certificates, Windows Services)

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Your CV

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